84013654 has 4 divisors (see below), whose sum is σ = 126020484. Its totient is φ = 42006826.

The previous prime is 84013651. The next prime is 84013693. The reversal of 84013654 is 45631048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84013651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21003412 + ... + 21003415.

It is an arithmetic number, because the mean of its divisors is an integer number (31505121).

Almost surely, 2^84013654 is an apocalyptic number.

84013654 is a deficient number, since it is larger than the sum of its proper divisors (42006830).

84013654 is a wasteful number, since it uses less digits than its factorization.

84013654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42006829.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 84013654 is about 9165.8962464126. The cubic root of 84013654 is about 437.9756420501.

The spelling of 84013654 in words is "eighty-four million, thirteen thousand, six hundred fifty-four".